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Mathematics, 08.09.2021 14:00 lil3114

Bonjour pouvez vous m aider svp : Le niveau d'eau d'une rivière est de 1,5 m. On a constaté, lors d'une nuit
de fortes pluies, qu'à partir de minuit,
sa hauteur augmentait de 4 cm par
heure. On note u, le niveau d'eau au
bout de n heures écoulées après minuit.
1. Calculer le niveau d'eau à 4 h du
matin.
2. Déterminer la relation de récur-
rence qui caractérise la suite (un).

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Answers: 1

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